<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <script src="https://cdn.bootcdn.net/ajax/libs/vue/3.2.0-beta.7/vue.global.prod.js"></script>
    <title>后盾人</title>
  </head>
  <body>
    <div id="app">
      <button @click="desc">减少</button>
      {{num}} <button @click="add">增加</button>
      <div style="background-color: red; color: white" v-if="error">提示： {{error}}</div>
      <!-- <div @click="add">{{name}}</div> -->
      <!-- <a href="https://www.houdunren.com" @click.prevent="go($event,'向军')"> {{name}} </a> -->
    </div>
    <script src="hd.js"></script>
  </body>
</html>
